Base for lamp head



FIG. 1 is a perspective view of a base for lamp head showing my new design therefor;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof, the broken line showing of the internal elements and the circular broken line in the bottom view is included for the purpose of illustrating unclaimed structure and forms no part of the claimed design. 

The ornamental design for a base for lamp head, as shown and described. 